Robert Blazej

Active Investor

Partner at Mission Bay Capital

San Francisco, California

LinkedIn

Robert Blazej, Partner at Mission Bay Capital is an active investor based in San Francisco, California. This profile covers what Robert Blazej backs, at which stage, and how founders can reach out in 2026.

Robert Blazej invests in Healthcare & Biotech, typically at Early Stage Venture. Portfolio companies on record include Symbiome, Caribou Biosciences and Calithera Biosciences.

Location
San Francisco, California
Typical check
$500K
Past investments
22

What does Robert Blazej invest in?

Investor type
VCPEIncubator
Stages
Early Stage Venture

Where is Robert Blazej based?

Robert Blazej is based in San Francisco, California.

Which companies has Robert Blazej invested in?

SymbiomeCaribou BiosciencesCalithera BiosciencesBolt ThreadsSiteOne TherapeuticsAlectorPionyr ImmunotherapeuticsNitrome BiosciencesAsilomar BioViewPoint TherapeuticsTangible SciencePrincipia BiopharmaCircle PharmaAtrecaZephyrus BiosciencesCell Design LabsRedwood BioscienceGlycomineEffector TherapeuticsGraphWear TechnologiesWild TypeVivace Therapeutics

How to reach Robert Blazej

Angels and operators like Robert Blazej reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.

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About this profile

This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.

Cite this page

Round Funded. "Robert Blazej." Round Funded investor database, updated September 25, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/robert-blazej

Frequently Asked Questions

Who is Robert Blazej?

Robert Blazej, Partner at Mission Bay Capital is an active investor based in San Francisco, California. Robert Blazej invests in Healthcare & Biotech, typically at Early Stage Venture. Portfolio companies on record include Symbiome, Caribou Biosciences and Calithera Biosciences.

What does Robert Blazej invest in?

Robert Blazej invests in Healthcare & Biotech, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Robert Blazej invest at?

Robert Blazej typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Robert Blazej's typical check size?

Robert Blazej typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.

Where is Robert Blazej based?

Robert Blazej is based in San Francisco, California.

Which companies has Robert Blazej invested in?

Companies Robert Blazej has backed, according to the Round Funded catalog, include Symbiome, Caribou Biosciences, Calithera Biosciences, Bolt Threads, SiteOne Therapeutics and Alector.

How do founders reach investors like this?

Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.

What is Round Funded?

Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.

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